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# Doubt 3

Given $$a,b,c,d$$ are positive integers with $$a<b<c<d$$ such that $$a,b,c$$ are in an arithmetic progression and $$b,c,d$$ are in a geometric progression and that $$d-a=30$$. Find the values of $$a,b,c,d$$.

1 year, 3 months ago

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